The decision apparently came after Griffin was re-examined by doctors on Saturday. Coach Mike Shanahan had said the doctor's evaluation would play a factor in who starts. Griffin had been limited in practice all week and Cousins reportedly took the first-team reps.

Washington takes on the Cleveland Browns on Sunday. The Redskins are 7-6 and in the thick of the playoff hunt as part of the NFC East race and the wild-card race.

Griffin’s status had been in question all week as he is recovering from a sprain of the lateral collateral ligament in his right knee.

The No. 2 pick in the 2012 NFL Draft, Griffin has been sensational as a rookie, throwing for 2,902 yards and 18 touchdowns against only four interceptions. He has also rushed for 748 yards and six touchdowns.